Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent
1977-03-16
1978-12-26
Largen, James R.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
D2301
Patent
active
D02506572
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patent: D159180 (1950-06-01), Wehner
patent: D162713 (1951-04-01), Colombini
patent: D221336 (1971-08-01), Raffler et al.
patent: D230020 (1974-01-01), Anderson
patent: D234765 (1975-04-01), Raffler et al.
patent: 3332624 (1967-07-01), Rinkewich
patent: 3767118 (1973-10-01), Oberto et al.
patent: 3829018 (1974-08-01), Oberto
Chapman Dave
Mizen Kurt F.
Burgess Vibrocrafters, Inc.
Darbo Howard H.
Largen James R.
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